In other words, 123 inches per hour is 22,000 times the speed of Grass growing, and the speed of Grass growing is 0.000045 times that amount.

(for Kentucky Bluegrass, Poa pratensis) (a.k.a. Smooth Meadow grass, a.k.a. Common Meadow grass) (Summer months, ideal growing conditions)Kentucky Bluegrass, one of the most common grasses in North America, grows about an inch per week in the summer months under ideal conditions. When left un-mowed, Kentucky Bluegrass grows to heights of 60 to 90 cm (2 to 3 ft) and blossoms with a blue flower.

(for Brown-throated three-toed sloth, Bradypus variegatus)The three-toed sloth moves along the ground at an average speed of 9,400 inches per hour. Long thought to be lengthy sleepers, a 2008 study concluded that sloths sleep an average of only 9.6 hours per day.

In other words, the speed of an Iceberg is 500 times 123 inches per hour.

(a.k.a. Berg) (Newfoundland iceberg average)Moved by ocean currents and wind, icebergs can drift at speeds of about 70,000 inches per hour. The largest iceberg ever recorded was a found near Baffin Island, Nunavut and was estimated to be nine billion metric tons.

It's about one-one-thousand-five-hundredth as fast as Walking Pedestrians (in Manhattan).

In other words, the speed of Walking Pedestrians (in Manhattan) is 1,500 times 123 inches per hour.

(Manhattan; average speed; 8,978 person-sample)A 2006 Study by the New York City Department of City Planning found that pedestrians in that city walk at an average rate of 180,000 inches per hour. Pedestrians wearing headphones, the study went on to find, walk at a slightly faster 200,000 inches per hour

In other words, 123 inches per hour is 0.00044676 times the speed of Michael Phelps, and the speed of Michael Phelps is 2,238.3 times that amount.

(at the Beijing Olympics, 2008; 200 m freestyle) (a.k.a. Michael Fred Phelps) (swimmer; 1985-)Setting a world record, Michael Phelps swam the 200 m freestyle in 1:42.96 for an average speed of 275,310 inches per hour. Phelps would go on to win nine gold medals individually in the 2008 Olympics - more than all but eight of the competing nations.

In other words, 123 inches per hour is 0.00032 times the speed of a Crocodile, and the speed of a Crocodile is 3,100 times that amount.

(American Crocodile, Crocodylus acutus) (swimming speed)An American crocodile can reach speeds in the water of up to 390,000 inches per hour. On land, larger crocodiles can "gallop" when fleeing danger at speeds of up to 790,000 inches per hour.

In other words, the speed of a Bull is 7,700 times 123 inches per hour.

(for animals involved in the Running of the Bulls, a.k.a. Encierro, San Fermin, Pamplona, Spain) (herd average speed)The herd of the annual Encierro in Pamplona, Spain runs at an average speed of 940,000 inches per hour. The Encierro is run annually from July 7th through July 14th and involves 42 bulls, 77 oxen, and an estimated 17,000 runners over the course of the event.